1880940 has 96 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 453376.

The previous prime is 1880939. The next prime is 1880941. The reversal of 1880940 is 490881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1880939) and next prime (1880941).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1880898 and 1880907.

It is not an unprimeable number, because it can be changed into a prime (1880941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39997 + ... + 40043.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1880940 is an apocalyptic number.

1880940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903040).

1880940 is an abundant number, since it is smaller than the sum of its proper divisors (3925140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1880940 is a wasteful number, since it uses less digits than its factorization.

1880940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1880940 is about 1371.4736599731. The cubic root of 1880940 is about 123.4406824475.

The spelling of 1880940 in words is "one million, eight hundred eighty thousand, nine hundred forty".